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Message-ID: <20240803171933.483316-3-ojeda@kernel.org> Date: Sat, 3 Aug 2024 19:19:31 +0200 From: Miguel Ojeda <ojeda@...nel.org> To: Miguel Ojeda <ojeda@...nel.org> Cc: Nathan Chancellor <nathan@...nel.org>, Nick Desaulniers <ndesaulniers@...gle.com>, Bill Wendling <morbo@...gle.com>, Justin Stitt <justinstitt@...gle.com>, llvm@...ts.linux.dev, linux-kernel@...r.kernel.org, patches@...ts.linux.dev Subject: [PATCH 3/5] Compiler Attributes: add more Clang documentation links Some more documentation has been written in Clang for some of the attributes, thus link them. In some cases, they only have a "No documentation." entry, but at least they are acknowledged (and documentation may be eventually written). In one case, the link has been updated instead, since the URI fragment changed. Signed-off-by: Miguel Ojeda <ojeda@...nel.org> --- include/linux/compiler_attributes.h | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) diff --git a/include/linux/compiler_attributes.h b/include/linux/compiler_attributes.h index 5d171a7f8cbd..2d1ad2a74a4e 100644 --- a/include/linux/compiler_attributes.h +++ b/include/linux/compiler_attributes.h @@ -22,6 +22,7 @@ /* * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-alias-function-attribute + * clang: https://clang.llvm.org/docs/AttributeReference.html#alias */ #define __alias(symbol) __attribute__((__alias__(#symbol))) @@ -29,6 +30,7 @@ * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-aligned-function-attribute * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Type-Attributes.html#index-aligned-type-attribute * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html#index-aligned-variable-attribute + * clang: https://clang.llvm.org/docs/AttributeReference.html#alignas-align-alignas-aligned */ #define __aligned(x) __attribute__((__aligned__(x))) #define __aligned_largest __attribute__((__aligned__)) @@ -50,7 +52,7 @@ * inlinable [-Wattributes]" is emitted). * * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-always_005finline-function-attribute - * clang: mentioned + * clang: https://clang.llvm.org/docs/AttributeReference.html#always-inline-force-inline */ #define __always_inline inline __attribute__((__always_inline__)) @@ -79,6 +81,7 @@ * Note the long name. * * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-const-function-attribute + * clang: https://clang.llvm.org/docs/AttributeReference.html#const */ #define __attribute_const__ __attribute__((__const__)) @@ -146,6 +149,7 @@ * Optional: only supported since clang >= 14.0 * * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-error-function-attribute + * clang: https://clang.llvm.org/docs/AttributeReference.html#error-warning */ #if __has_attribute(__error__) # define __compiletime_error(msg) __attribute__((__error__(msg))) @@ -186,6 +190,7 @@ /* * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Type-Attributes.html#index-mode-type-attribute * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html#index-mode-variable-attribute + * clang: https://clang.llvm.org/docs/AttributeReference.html#mode */ #define __mode(x) __attribute__((__mode__(x))) @@ -222,6 +227,7 @@ * return [expression]; * * gcc: https://gcc.gnu.org/onlinedocs/gcc/Statement-Attributes.html#Statement-Attributes + * clang: https://clang.llvm.org/docs/AttributeReference.html#fallthrough */ #if __has_attribute(__fallthrough__) # define fallthrough __attribute__((__fallthrough__)) @@ -239,7 +245,7 @@ * Note the missing underscores. * * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-noinline-function-attribute - * clang: mentioned + * clang: https://clang.llvm.org/docs/AttributeReference.html#noinline */ #define noinline __attribute__((__noinline__)) @@ -269,8 +275,7 @@ /* * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-noreturn-function-attribute - * clang: https://clang.llvm.org/docs/AttributeReference.html#noreturn - * clang: https://clang.llvm.org/docs/AttributeReference.html#id1 + * clang: https://clang.llvm.org/docs/AttributeReference.html#noreturn-noreturn */ #define __noreturn __attribute__((__noreturn__)) @@ -323,6 +328,7 @@ /* * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-pure-function-attribute + * clang: https://clang.llvm.org/docs/AttributeReference.html#pure */ #define __pure __attribute__((__pure__)) @@ -358,6 +364,7 @@ /* * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-used-function-attribute * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html#index-used-variable-attribute + * clang: https://clang.llvm.org/docs/AttributeReference.html#used */ #define __used __attribute__((__used__)) @@ -384,6 +391,7 @@ * Optional: only supported since clang >= 14.0 * * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-warning-function-attribute + * clang: https://clang.llvm.org/docs/AttributeReference.html#error-warning */ #if __has_attribute(__warning__) # define __compiletime_warning(msg) __attribute__((__warning__(msg))) @@ -412,6 +420,7 @@ /* * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-weak-function-attribute * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html#index-weak-variable-attribute + * clang: https://clang.llvm.org/docs/AttributeReference.html#weak */ #define __weak __attribute__((__weak__)) -- 2.46.0
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